Baseball swing-training device



FIG. 1 is a perspective view of a baseball swing-training device showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a side elevational view, the other side of which being a mirror image;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view; and,

FIG. 7 is a reduced perspectve view thereof.

The broken line showing of the batter in FIG. 7 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a baseball swing-training device, as shown and described. 